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Make script load event asynchronous for internal scripts

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This commit is contained in:
Tetsuharu OHZEKI 2015-01-04 05:14:55 +09:00
parent f627b35ef6
commit b984815b98
1 changed files with 28 additions and 0 deletions
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28
components/script/dom/htmlscriptelement.rs
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@ -15,6 +15,7 @@ use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, NodeCas
use dom::bindings::codegen::InheritTypes::EventTargetCast;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::bindings::refcounted::Trusted;
use dom::document::Document;
use dom::element::{Element, AttributeHandlers, ElementCreator};
use dom::eventtarget::{EventTarget, EventTargetTypeId, EventTargetHelpers};
@ -24,6 +25,7 @@ use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeHelpers, NodeTypeId, window_from_node, CloneChildrenFlag};
use dom::virtualmethods::VirtualMethods;
use dom::window::ScriptHelpers;
use script_task::{ScriptMsg, Runnable};
use encoding::all::UTF_8;
use encoding::types::{Encoding, DecoderTrap};
@ -89,6 +91,9 @@ pub trait HTMLScriptElementHelpers {
/// Set the "already started" flag (<https://whatwg.org/html/#already-started>)
fn mark_already_started(self);
/// Dispatch load event.
fn dispatch_load_event(self);
}
/// Supported script types as defined by
@ -216,6 +221,23 @@ impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
window.evaluate_script_on_global_with_result(source.as_slice(), url.serialize().as_slice());
// https://html.spec.whatwg.org/multipage/scripting.html#execute-the-script-block
// step 2, substep 10
match origin {
ScriptOrigin::External => {
self.dispatch_load_event();
}
ScriptOrigin::Internal => {
let chan = window.script_chan();
let handler = Trusted::new(window.get_cx(), self, chan.clone());
chan.send(ScriptMsg::RunnableMsg(box handler));
}
}
}
fn dispatch_load_event(self) {
let window = window_from_node(self).root();
let window = window.r();
let event = Event::new(GlobalRef::Window(window),
"load".into_string(),
EventBubbles::DoesNotBubble,
@ -336,3 +358,9 @@ impl<'a> HTMLScriptElementMethods for JSRef<'a, HTMLScriptElement> {
}
}
impl Runnable for Trusted<HTMLScriptElement> {
fn handler(&self) {
let target = self.to_temporary().root();
target.r().dispatch_load_event();
}
}